/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.issue.lbclassic135;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.FileAppender;
import ch.qos.logback.core.contention.ThreadedThroughputCalculator;
/**
* Short sample code testing the throughput of a fair lock.
*
* @author Ceki Gulcu
*/
public class LoggingToFileThroughput {
static int THREAD_COUNT = 1;
static long OVERALL_DURATION_IN_MILLIS = 5000;
public static void main(String args[]) throws InterruptedException {
ThreadedThroughputCalculator tp = new ThreadedThroughputCalculator(
OVERALL_DURATION_IN_MILLIS);
tp.printEnvironmentInfo("lbclassic135 LoggingToFileThrouhput");
LoggerContext lc = new LoggerContext();
Logger logger = buildLoggerContext(lc);
for (int i = 0; i < 2; i++) {
tp.execute(buildArray(logger));
}
tp.execute(buildArray(logger));
tp.printThroughput("File: ");
lc.stop();
}
static Logger buildLoggerContext(LoggerContext lc) {
Logger root = lc.getLogger(Logger.ROOT_LOGGER_NAME);
PatternLayoutEncoder patternLayout = new PatternLayoutEncoder();
patternLayout.setContext(lc);
patternLayout.setPattern("%d %l [%t] - %msg%n");
patternLayout.start();
FileAppender<ILoggingEvent> fileAppender = new FileAppender<ILoggingEvent>();
fileAppender.setContext(lc);
fileAppender.setFile("target/lbclassic135.log");
fileAppender.setEncoder(patternLayout);
fileAppender.setAppend(false);
fileAppender.start();
root.addAppender(fileAppender);
return lc.getLogger(LoggingToFileThroughput.class);
}
static LoggingRunnable[] buildArray(Logger logger) {
LoggingRunnable[] array = new LoggingRunnable[THREAD_COUNT];
for (int i = 0; i < THREAD_COUNT; i++) {
array[i] = new LoggingRunnable(logger);
}
return array;
}
}
//=== lbclassic135 LoggingToFileThrouhput ===
// ******** 10 Threads *****
// synchronized doAppend() method
//
// java.runtime.version = 1.6.0_05-b13
// java.vendor = Sun Microsystems Inc.
// os.name = Windows XP
//
// Threads 1: total of 485077 operations, or 97 operations per millisecond
// Threads 10: total of 309402 operations, or 61 operations per millisecond
//* After revision 2310
//* Threads 1: total of 462465 operations, or 92 operations per millisecond
//* Threads 10: total of 243362 operations, or 48 operations per millisecond
// ==================== Linux ========================
// java.runtime.version = 1.6.0_11-b03
// java.vendor = Sun Microsystems Inc.
// os.name = Linux
// os.version = 2.6.25-gentoo-r6
// Threads 1: total of 356355 operations, or 71 operations per millisecond
// Threads 10: total of 287943 operations, or 57 operations per millisecond
//* After revision 2310
//* Threads 1: total of 331494 operations, or 66 operations per millisecond
//* Threads 10: total of 311104 operations, or 58 operations per millisecond
// java.runtime.version = jvmxa6460-20081105_25433
// java.vendor = IBM Corporation
// java.version = 1.6.0
// os.name = Linux
// os.version = 2.6.25-gentoo-r6
// Threads 1: total of 280381 operations, or 56 operations per millisecond
// Threads 10 total of 142989 operations, or 28 operations per millisecond
//* After revision 2310
//* Threads 1: total of 305638 operations, or 61 operations per millisecond
//* Threads 10: total of 147660 operations, or 29 operations per millisecond